local String = {}

function String.isEmpty(pString)
    return (pString == "" or pString == nil)
end

function String.split(pString, pPattern)
    local Table = {}  -- NOTE: use {n = 0} in Lua-5.0
    local fpat = "(.-)" .. pPattern
    local last_end = 1
    local s, e, cap = pString:find(fpat, 1)
    while s do
       if s ~= 1 or cap ~= "" then
      table.insert(Table,cap)
       end
       last_end = e+1
       s, e, cap = pString:find(fpat, last_end)
    end
    if last_end <= #pString then
       cap = pString:sub(last_end)
       table.insert(Table, cap)
    end
    return Table
 end

return String